/Engine/Source/Editor/SubobjectDataInterface/Public/SubobjectDataSubsystem.h
Attempts to delete the given subobject from its context
The number of subobjects successfully deleted
int32 K2_DeleteSubobjectFromInstance ( const [FSubobjectDataHandle](API\Editor\SubobjectDataInterface\FSubobjectDataHandle) & ContextHandle, const [FSubobjectDataHandle](API\Editor\SubobjectDataInterface\FSubobjectDataHandle) & SubobjectToDelete )